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MCAER PG CET 2026 PLANT PATHOLOGY

MCAER PG CET 2026 - Plant Pathology MCAER PG CET 2026 Plant Pathology Specialist Quiz Time Remaining: 100 s 1. The "Gene-for-Gene" hypothesis, which posits that for every resistance gene in the host there is a corresponding avirulence gene in the pathogen, was first demonstrated in: A. Puccinia graminis tritici / Wheat B. Melampsora lini / Flax C. Phytophthora infestans / Potato D. Ustilago maydis / Maize Explanation: H.H. Flor (1942) proposed this while working with Flax Rust (Melampsora lini). 2. [PYQ 2021] Which of the following chemical groups does 'Metalaxyl' belong to, and what is its specific mode of action? A. Benzimidazoles - Tubulin polymerization B. Phenylamides - RNA Polyme...

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MCAER PG CET 2026 AGRIL ENTOMOLOGY

- मार्च १९, २०२६

MCAER PG CET 2026 - Agril. Entomology Quiz MCAER PG CET 2026 Agril. Entomology - Advanced Level Time Remaining: 100 s 1. The 'Reverse Dose-Response' phenomenon where low doses of a toxin result in stimulation is known as: Synergism Hormoligosis Potentiation Antagonism Ans: b. Hormoligosis (Hormesis) occurs when sub-lethal doses of insecticides stimulate the reproductive capacity of pests (e.g., resurgence). 2. Which of the following is an example of an "Allomone" in insect-plant interaction? Floral scent attracting pollinators Trail pheromone in ants Secondary metabolites inhibiting herbivore feeding Aggregation pheromone ...

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MCAER PG CET 2026 HORTICULTURE

- मार्च १७, २०२६

MCAER PG CET 2026 | Horticulture Challenge MCAER PG CET 2026 Specialized Subject: Horticulture Time Remaining: 100 s 1. Which of the following physiological disorders in Apple is caused by the localized deficiency of Calcium in the fruit tissues? Internal Cork Bitter Pit Water Core Scald 2. (PYQ 2021) The 'Double Sigmoid' growth curve is characteristically observed in which of the following fruit crops? Mango Grapes Fig Banana 3. In the classification of rose, the variety 'Super Star' belongs to which class? Floribunda Hybrid Tea Polyantha Grandiflora ...